Information notices
2012
IN 12/03: Service incentive mechanism (SIM) guidance
IN 12/02: Delivering proportionate and targeted regulation
IN 12/01: Regulatory accounts 2011-12: Reporting requirements – RAG 3.06
2011-12 Supplementary tables
2011-12 Regulatory accounts definition
2011-12 Regulatory accounts technical note
2011-12 Regulatory accounts audit opinion
2011
IN 11/08: Changes in COPI
Appendix 1: Illustration of COPI indexation in RCV and CIS calculations
IN 11/07: Approval of charges 2012-13
Appendix 1: Recommended principal statement entries for win-win tariffs
Appendix 2: Guidance to auditors
IN 11/06: Review of Ofwat and consumer representation in the water sector
IN 11/05: Interest rates relating to charges for new connections and relocation of mains and sewers
Appendix 1 Approval/determination
IN 11/04: Simplifying the revenue correction mechanism
Simplifying the revenue correction mechanism: supporting information
Revenue correction mechanism spreadsheet model
IN 11/03: Regulatory accounts 2010-11: Reporting requirements – RAG 3.06
2010-11 Regulatory accounts requirements
2010-11 Regulatory accounts audit opinion
IN 11/02: June return guidance for 2010-11 (JR11)
IN 11/01: Service incentive mechanism – auditing, scoring and levels of service reporting
2010
IN 10/01: Regulatory compliance – introducing a risk-based approach
